The Seiko 1F20-6E20 is a watch model based on the 1F20 movement.
Parts List
| RE1A84SR02 | crystal - crystal |
| 25M24NA1 | crown |
| 25M24NS1 | crown |
| 0E140NA1S | case back gasket - case back gasket |
| WH32AB | band - band |
| WH31AB | band - leather band |
| WH30AB | band - band |
| WH33BB | band - band |
| WH34BB | band - leather band |
| 2CC040A0BNS | others - minute hand |
| 1CC027A0BNG | others - small hand (6h) |
| 1CC027A0BNS | others - small hand (6h) |
| 2CC040A0BNG | others - minute hand |
| 0351807 | others - winding stem |
| 1F206E2061 | others - case |
| 81504109 | others - bracelet fixing pin |
| 1F206E20 | others - case back |
| 1F206E2076 | others - case |
| 82812160 | others - case ring |
| 1F202N00XG14 | others - dial |
| 1F202N00XL14 | others - dial |
| 1F202N00XS13 | others - dial |
| 1F205 | others - machine code |
| 95101480 | others - ring |
| A140BS | others - push pin |
| DZ0041B01 | others - crown and stem gasket |
Caliber 1F20
